| 摘要 |
[Problem] To provide a filtration device, a spray device provided with the same, and a filtration method, wherein foreign matter such as water stains is filtered out during continuous water flow and a state in which a filtration unit does not become occluded can be maintained by washing and extracting the foreign matter that has been filtered out timed with restarting of water flow, thereby preventing a spray of water from becoming weak or stopping suddenly. [Solution] A filtration device A is provided with: a liquid passage chamber 1 having a liquid inlet 10 for inflow of a liquid, a control panel 11 that is provided with liquid through holes 110, 111, and an initial moving plug 12 for closing the liquid through holes 110, 111; a liquid discharge chamber 2 connected to the liquid passage chamber 1 and having compartments 20, 21 that are provided so as to correspond with the liquid through holes 110, 111, and additional moving plugs 24, 25 for closing liquid discharge openings 22, 23 formed in the compartments 20, 21; and a circulation chamber 3 connected to the liquid discharge chamber 2 and having filtration units that are linked to the compartments 20, 21 and filter the flowing liquid. |
